How to show Validation Error in Label Box [Resolved]

Posted by Saranya Boopathi under ASP.NET on 8/21/2012 | Points: 10 | Views : 4284 | Status : [Member] | Replies : 4

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in my application
i have a text box if i enter a character i want to dispaly the ErrorValidation in Label box.it allow only number.
using javascript.

Saranya Boopathi

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Posted by: Johnbhatt on: 8/21/2012 [Member] Starter | Points: 50

0	Write this code in Validation Failed Section to assign Value to Label using JavaScript. function CheckNum() { if(document.getElementByID("<%=txtAmount.ClientID%>").value ...........) { document.getElementByID("<%=lblStatus.ClientID%>").value="Sorry ! Enter Numbers Only."; } } John Bhatt Glad to Know, Free to Share..... http://www.johnbhatt.com Saranya Boopathi, if this helps please login to Mark As Answer. \| Alert Moderator

Write this code in Validation Failed Section to assign Value to Label using JavaScript.


function CheckNum()

{

if(document.getElementByID("<%=txtAmount.ClientID%>").value ...........)

{

document.getElementByID("<%=lblStatus.ClientID%>").value="Sorry ! Enter Numbers Only.";

}

}

John Bhatt
Glad to Know, Free to Share.....
http://www.johnbhatt.com

Saranya Boopathi, if this helps please login to Mark As Answer. | Alert Moderator

Posted by: Eni on: 8/21/2012 [Member] Starter | Points: 50

0	U can try this....using javascript For example i taken phone number to validate... if (!IsValidPhone(txtPhone)) { document.getElementById("lblphn").innerHTML = ""; return false; } else { document.getElementById("lblphn").innerHTML = ""; } function IsValidPhone(Phone) { var phone = /^([0-9])+$/; return phone.test(Phone) } U will get....wt u need think so.. with regards, eni. Saranya Boopathi, if this helps please login to Mark As Answer*. \| Alert Moderator

U can try this....using javascript
For example i taken phone number to validate...

if (!IsValidPhone(txtPhone)) {
document.getElementById("lblphn").innerHTML = "*";
return false;
}
else {
document.getElementById("lblphn").innerHTML = "";

}

function IsValidPhone(Phone) {
var phone = /^([0-9])+$/;
return phone.test(Phone)
}

U will get....wt u need think so..

with regards,
eni.

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Posted by: Ranjeet_8 on: 8/21/2012 [Member] [MVP] Gold | Points: 50

0	Try this, <script type="text/javascript"> function chkInteger(str) { var i; str = str.toString(); for (i = 0; i < str.length; i++) { var cr = str.charAt(i); if (isNaN(cr)) { document.getElementById("lblname").innerHTML = "It allow only number"; return false; } } return true; } </script> <input type="text" name="abc" onkeyup="chkInteger(this.value)"/> <asp:Label ID="lblname" runat="server" Text="Label"></asp:Label> Saranya Boopathi, if this helps please login to Mark As Answer. \| Alert Moderator

Try this,


<script type="text/javascript">

    function chkInteger(str) {

        var i;

        str = str.toString();

        for (i = 0; i < str.length; i++) {

            var cr = str.charAt(i);

            if (isNaN(cr)) {

                document.getElementById("lblname").innerHTML = "It allow only number";

                return false;

            }

        }

        return true;

    }

</script>


<input type="text" name="abc" onkeyup="chkInteger(this.value)"/>

<asp:Label ID="lblname" runat="server" Text="Label"></asp:Label>

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Posted by: Vasanthmvp on: 8/21/2012 [Member] Starter | Points: 50

0	Hi, here is the simple code using HTMl. <html> <head> <script type="text/javascript"> function check() { var x = document.getElementById("tb").value; if(x.match(/^[0-9]$/)) { return true; } else { document.getElementById("errmsg").innerHTML = "Only Numbers should be entered."; } } </script> </head> <body> <input type="text" id="tb" onblur="check()" /> <label id="errmsg"></label> </body> </html> Regards, Awesome Coding !! :) Saranya Boopathi, if this helps please login to Mark As Answer. \| Alert Moderator

Hi, here is the simple code using HTMl.


<html>

<head>

<script type="text/javascript">

function check()

{

var x = document.getElementById("tb").value;

if(x.match(/^[0-9]$/))

{

return true;

}

else

{

document.getElementById("errmsg").innerHTML = "Only Numbers should be entered.";

}

}

</script>

</head>



<body>

<input type="text" id="tb" onblur="check()" />

<label id="errmsg"></label>

</body>

</html>

Regards,

Awesome Coding !! :)

Saranya Boopathi, if this helps please login to Mark As Answer. | Alert Moderator

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